early 15c., "encouragement;" c. 1600, "something that tends to excite," from excite + -ment. Meaning "condition of mental and emotional agitation" is from 1846.
he could hardly conceal his excitement when she agreed
his face was flushed with excitement and his hands trembled
he looked forward to the excitements of the day
excision
excitable
excitation
excite
excited
excitement
exciting
exclaim
exclamation
exclamatory
exclude
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